28.3.5 The INFORMATION_SCHEMA CHECK_CONSTRAINTS Table

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MySQL 8.4 Reference Manual Including MySQL NDB Cluster 8.4

28.3.5 The INFORMATION_SCHEMA CHECK_CONSTRAINTS Table

CREATE TABLE supports the core features of table and column CHECK constraints; the CHECK_CONSTRAINTS table provides information about these constraints.

The CHECK_CONSTRAINTS table has these columns:

  • CONSTRAINT_CATALOG

The name of the catalog to which the constraint belongs. This value is always def. - CONSTRAINT_SCHEMA

The name of the schema (database) to which the constraint belongs. - CONSTRAINT_NAME

The name of the constraint. - CHECK_CLAUSE

The expression that specifies the constraint condition.